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Changes in sex ratio from fertilization to birth in assisted-reproductive-treatment cycles
BACKGROUND: In Western gender-neutral countries, the sex ratio at birth is estimated to be approximately 1.06. This ratio is lower than the estimated sex ratio at fertilization which ranges from 1.07 to 1.70 depending on the figures of sex ratio at birth and differential embryo/fetal mortality rates...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2014
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4079184/ https://www.ncbi.nlm.nih.gov/pubmed/24957129 http://dx.doi.org/10.1186/1477-7827-12-56 |